A stainless steel ice maker evaporator

Abstract

The present invention discloses a stainless steel ice maker evaporator in the technical field of refrigeration equipment, and the evaporator body is completely made of stainless steel material. The stainless steel ice maker evaporator includes a plurality of groups of stainless steel pipes arranged side by side in parallel. Each group of stainless steel pipes includes a cavity and an outer surface. The cavity includes a bottom cavity in the XY plane direction and a side cavity in a plane direction intersecting the XY plane. The side cavity protrudes from the bottom cavity in the plane direction where it is located. At least one side of the four orientations of the outer surface is provided with a bottom surface in the XY plane direction and an ice-making side surface in a plane direction intersecting the XY plane. The ice-making side surface protrudes from the bottom surface in the plane direction where it is located. The bottom surface and the ice-making side surface enclose a second cavity. The stainless steel ice maker evaporator provided by the present invention is completely made of stainless steel material, has a simple manufacturing process, does not require an electroplating layer, ensures the tight connection between the ice template and the refrigerant flow space, has a low cost, good ice-making effect, and high ice-making efficiency.

Description

Technical Field

[0001] The present invention relates to the technical field of refrigeration equipment, and particularly to a stainless steel ice maker evaporator. Background Art

[0002] An ice maker is a refrigeration mechanical device that cools water through an evaporator with a refrigerant in a refrigeration system to generate ice. According to different principles of the evaporator and the generation process, the shape of the generated ice is also different. Generally, ice makers are classified into pellet ice machines, flake ice machines, plate ice machines, tube ice machines, shell ice machines, etc. according to the shape of the ice. Among them, flowing water oblong ice is the most popular and widely used in the market.

[0003] As an important component in an ice maker, the principle of the evaporator is to use high-pressure refrigerant liquid to evaporate in the evaporation tube through a throttling device, and the gasification absorbs heat to achieve the refrigeration effect. The evaporation tube conducts the cold quantity to the ice template in the ice maker, so that the water flowing into the ice template freezes into ice cubes, and then it can be used.

[0004] The existing ice makers for making square ice still have the following problems:

[0005] The main structures of existing ice maker evaporators are all copper parts, which have high manufacturing costs. Moreover, the copper parts need to be electroplated with metals such as nickel. After long-term use, the electroplated layer is prone to peeling off, and this electroplating method is difficult to pass food safety inspections;

[0006] The evaporation tubes are all coiled at the bottom of the chassis of the ice template, that is, relative to the ice grid, they are located on the back of the chassis. Heat is indirectly transferred to the ice grid through the chassis. In order to ensure that the evaporation tubes can reliably cool the ice template, it is necessary to ensure the tightness between the evaporation tubes and the ice template during manufacturing and assembly. In the prior art, the manufacturing process at this place is as follows: The parts that need to be welded between the evaporation tubes and the ice template are coated with soldering paste, and then the copper tubes and the ice template are clamped with a fixture and placed in a heating furnace for heating. After heating for a certain time at a specified temperature, it is taken out, cooled, and then cleaned with a reagent.

[0007] Adopting this kind of welding and assembly process, although it can ensure the tight connection between the ice template and the evaporation tubes, it has the defects of complex process and high process requirements.

[0008] To solve the problems of using copper parts, complex process, high cost, and possible difficulty in passing food safety inspections, there is a new type of ice maker aluminum evaporator ice tray with the publication number CN208735984U. Copper tubes are installed in the copper tube grooves. The ice tray is made of aluminum, which is more environmentally friendly and convenient for recycling defective products, and the manufacturing process is faster and simpler. However, the refrigerant flow pipeline and the ice tray are made of different materials respectively, and the refrigerant flow pipeline still uses copper products, so there is still a problem of complex welding and assembly process and high cost to a certain extent.

[0009] Therefore, it is necessary to provide a stainless steel ice maker evaporator to solve the above-mentioned technical problems. Summary of the invention

[0010] The purpose of the present invention is to provide a stainless steel ice machine evaporator, which solves the problem of complex welding and assembly process and high cost of the copper evaporator.

[0011] To achieve the above-mentioned purpose, the present invention provides a stainless steel ice-making machine evaporator, which includes an evaporator body, and the evaporator body is completely made of stainless steel.

[0012] Preferably, the evaporator of the stainless steel ice maker includes a plurality of groups of stainless steel pipes arranged side by side in parallel, each group of the stainless steel pipes includes a cavity and an outer surface, the cavity includes a bottom cavity in the XY plane direction and a side cavity in the plane direction intersecting the XY plane, the side cavity protrudes from the bottom cavity in the plane direction where the side cavity is located, and a bottom surface in the XY plane direction and an ice-making side surface in the plane direction intersecting the XY plane are arranged on at least one side of the four directions of the outer surface, and the ice-making side surface protrudes from the bottom surface in the plane direction where the side cavity is located.

[0013] Preferably, the bottom surface and the ice-making side surface together enclose a second cavity, and a cross section of the second cavity cut along the YZ direction includes the shortest bottom side.

[0014] Preferably, each group of the stainless steel pipes is an integrally formed special-shaped pipe.

[0015] Preferably, each group of the stainless steel pipes is arranged by combining square pipes and / or trapezoidal pipes and / or triangular pipes.

[0016] Preferably, the special-shaped tube includes a first outer side surface and a second outer side surface, the first outer side surface is the outermost side surface on one side of the ice-making side surface, and the second outer side surface is the outermost side surface on the opposite side, and the first outer side surface and the second outer side surface are alternately provided with short openings on the left and right, and the height of the upper edge of the short opening is not higher than the height of the bottom surface, and the left and right positions of the short openings of the first outer side surface and the second outer side surface of adjacent special-shaped tubes are alternately provided again.

[0017] Preferably, each group of the stainless steel tubes is arranged by two combinations of square tubes and / or trapezoidal tubes and / or triangular tubes, and the combined structure includes the outermost third outer side surface and the fourth outer side surface corresponding thereto and an intermediate connecting surface located between the third outer side surface and the fourth outer side surface, and the third outer side surface, the intermediate connecting surface and the fourth outer side surface are alternately provided with short openings in sequence, and the upper edge height of the short opening is not higher than the height of the bottom surface.

[0018] Preferably, left and right end caps are provided at both ends of the stainless steel pipe. The left and right end caps are hermetically connected to the end faces of the stainless steel pipe except for the short notches. Partition strips are provided at the upper or lower ends of multiple groups of stainless steel pipes of the stainless steel ice maker evaporator. Both ends of the internal closed space of multiple groups of the stainless steel pipes communicate with a refrigerant inlet and outlet pipe.

[0019] Preferably, it further includes multiple longitudinally arranged partition sheets. Each partition sheet includes card slots having the same number as the number of ice-making side faces of multiple groups of the stainless steel pipes, dividing the partition sheet into multiple cards. The card slots are clamped on the ice-making side face and its adjacent face. The depth of the card slot is based on the bottom of the partition sheet touching the bottom surface when it is clamped and installed. At least one corner of the bottom of the card is provided with an arc-shaped notch.

[0020] Preferably, hook strips are provided at both ends of the partition sheet. The upper end of the hook strip is fixedly connected to the partition sheet, and the lower end is provided with an inward hook. Multiple pairs of second card slots corresponding to the hooks are provided at the bottom ends of the upper and lower stainless steels on the outer side of the stainless steel ice maker evaporator. The hook strip is an elastic structural member. It further includes a robotic arm, a power assembly, and a controller. The robotic arm is connected to the partition sheet, and the controller controls the power assembly to provide a force for the robotic arm to lift the partition sheet upward and clamp it downward.

[0021] Preferably, a smooth clamping surface is provided at the clamping edge of the hook, and a smooth clamping surface is also provided at the clamping edge of the second card slot.

[0022] Preferably, the natural inner edge distance of the hook strips on both sides of the partition sheet is smaller than the minimum distance between the upper and lower stainless steels on the outer side of the stainless steel ice maker evaporator.

[0023] Preferably, a connecting plate is provided at the upper part of each partition sheet, and the connecting plate is connected to the robotic arm.

[0024] By arranging and assembling multiple groups of stainless steel pipes, the structure of the evaporator is standardized, and the process is simplified and streamlined. Through the ingenious setting of the side cavity, bottom cavity, bottom surface, ice-making side face, and refrigerant channel of each group of stainless steel pipes, the heat conduction efficiency of ice-making is improved. While avoiding the complex process of copper parts, it can achieve or even exceed the heat conduction efficiency of copper parts. Combining the structure of the partition sheet and the robotic arm, the ice unloading rate is increased by partial mechanical ice unloading, compensating for the reverse heat conduction difference between the stainless steel pipe and the copper part, increasing the rotation rate of the evaporator, and thus improving the ice-making efficiency.

[0025] Compared with the prior art, the stainless steel ice maker evaporator of the present invention has the following beneficial effects:

[0026] The evaporator of the stainless-steel ice maker provided by the present invention is entirely made of stainless-steel material, with simple manufacturing process, no need for electroplating layer, ensuring tight connection between the ice template and the refrigerant flow space, low cost, good ice-making effect and high ice-making efficiency. BRIEF DESCRIPTION OF THE DRAWINGS

[0027] In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings required for describing the embodiments will be briefly introduced below. Obviously, the drawings in the following description are only some embodiments of the present invention. For those of ordinary skill in the art, other drawings can be obtained based on these drawings without creative efforts.

[0028] Figure 1 FIG. 9 is a schematic structural diagram of the first embodiment of the evaporator of the stainless-steel ice maker provided by the present invention;

[0029] Figure 2 FIG. 13 is an exploded view of the second embodiment of the evaporator of the stainless-steel ice maker provided by the present invention;

[0030] Figure 3 FIG. 17 is a schematic cross-sectional structure diagram of the evaporator of the stainless-steel ice maker provided by the present invention;

[0031] Figure 4 is Figure 3 a sectional view taken along line A-A of

[0032] Figure 5 is Figure 2 a schematic structural diagram of the special-shaped tube in

[0033] Figure 6 is Figure 2 a schematic arrangement structure diagram of multiple groups of special-shaped tubes in

[0034] Figure 7 FIG. 39 is a schematic cross-sectional structure diagram of the third embodiment of the evaporator of the stainless-steel ice maker provided by the present invention;

[0035] Figure 8 is Figure 7 a sectional view taken along line B-B of

[0036] Figure 9 is Figure 7 a schematic structural diagram of the trapezoidal tube in

[0037] Figure 10 is Figure 7 a schematic structural diagram of the right-angled triangular tube in

[0038] Figure 11 FIG. 61 is a schematic cross-sectional structure diagram of the fourth embodiment of the evaporator of the stainless-steel ice maker provided by the present invention;

[0039] Figure 12Schematic diagram of the structure of the fifth embodiment of the evaporator of the stainless steel ice maker provided by the present invention;

[0040] Figure 13 Schematic diagram of the structure of the longitudinal partition sheet of the fifth embodiment of the evaporator of the stainless steel ice maker provided by the present invention;

[0041] Reference numerals in the figure:

[0042] 1. Evaporator body, 2. Bottom surface, 3. Ice-making side surface, 4. Second cavity,

[0043] 5. Special-shaped tube, 501. First outer side surface, 502. Second outer side surface,

[0044] 6. Left and right end heads, 7. Cavity, 8. Short notch, 9. Partition strip,

[0045] 10. Longitudinal partition sheet, 101. Card slot, 102. Card,

[0046] 11. Trapezoidal tube, 111. Inclined surface of the trapezoidal tube, 112. Lower bottom surface of the trapezoidal tube,

[0047] 12. Right-angled triangular tube, 121. Inclined surface of the right-angled triangular tube,

[0048] 13. Third outer side surface, 14. Fourth outer side surface 15. Intermediate connection surface,

[0049] 16. Isosceles trapezoidal tube, 161. Waist surface of the isosceles trapezoidal tube, 162. Lower bottom surface of the isosceles trapezoidal tube, 163. Upper bottom surface of the isosceles trapezoidal tube,

[0050] 17. Isosceles triangular tube, 171. Waist surface of the isosceles triangular tube, 172. Bottom surface of the isosceles triangular tube, 173. Upper pointed part of the isosceles triangular tube,

[0051] 18. S-shaped channel, 19. Refrigerant inlet and outlet pipe,

[0052] 20. Hook strip, 201. Hook, 202. Clamping surface,

[0053] 21. Connecting bottom plate, 211. Second card slot,

[0054] 22. Connecting plate. Detailed implementation manners

[0055] Next, the technical solutions in the embodiments of the present invention will be clearly and completely described in conjunction with the accompanying drawings in the embodiments of the present invention.

[0056] First embodiment

[0057] As Figure 1The stainless steel ice-making machine evaporator includes an evaporator body 1, which is made entirely of stainless steel. The stainless steel ice-making machine evaporator includes a plurality of groups of stainless steel pipes arranged in parallel, each group of stainless steel pipes includes a cavity and an outer surface, the cavity includes a bottom cavity in the XY plane direction and a side cavity in the plane direction intersecting the XY plane, the side cavity protrudes from the bottom cavity in the plane direction where it is located, at least one side of the four directions of the outer surface is provided with a bottom surface 2 in the XY plane direction and an ice-making side surface 3 in the plane direction intersecting the XY plane, the ice-making side surface 3 protrudes from the bottom surface 2 in the plane direction where it is located, the bottom surface 2 and the outer side of the ice-making side surface 3 are enclosed to form a second cavity 4 for ice-making, and the cut section of the second cavity 4 along the YZ direction includes the shortest bottom side. A refrigerant is introduced into the cavity, and the second cavity 4 performs multi-directional direct stainless steel refrigeration conduction at the bottom and the side, which increases the direct refrigeration conduction area under the same ice-making area, improves the heat conduction efficiency, and makes it a practical and feasible manufacturing process for the evaporator body to be made entirely of stainless steel.

[0058] Compared with the prior art, the stainless steel ice machine evaporator provided by the present invention has the following beneficial effects:

[0059] The evaporator body is made entirely of stainless steel, with a simple manufacturing process and no need for electroplating, ensuring a tight connection between the ice template and the refrigerant flow space, low cost, good ice-making effect, and high ice-making efficiency.

[0060] Second embodiment

[0061] Please refer to Figure 2 , Figure 3 , Figure 4 , Figure 5 and Figure 6 Based on the evaporator provided in the first embodiment of the present application, the second embodiment of the present application provides another evaporator. The second embodiment is only a preferred embodiment of the first embodiment, and the implementation of the second embodiment will not affect the independent implementation of the first embodiment.

[0062] Specifically, the difference of the evaporator provided in the second embodiment of the present application is that the evaporator body includes a plurality of groups of stainless steel pipes arranged in parallel side by side, and each group of stainless steel pipes is an integrally formed special-shaped pipe 5.

[0063] The special-shaped tube 5 includes a first outer side 501 and a second outer side 502. The first outer side 501 is the outermost side on one side of the ice-making side 3, and the second outer side 502 is the outermost side on the opposite side. Short notches 8 are alternately arranged on the left and right of the first outer side 501 and the second outer side 502. The upper edge height of the short notch 8 is not higher than the height of the bottom surface 2. The left and right positions of the short notches 8 on the first outer side 501 and the second outer side 502 of adjacent special-shaped tubes 5 are alternately arranged again. Left and right end caps 6 are arranged at both ends of the stainless steel pipe. The left and right end caps 6 are hermetically connected to the end surfaces of the stainless steel pipe except for the short notches 8, so that the cavity 7 forms an S-shaped channel 18 for introducing a refrigerant for multi-directional direct heat conduction to the bottom surface 2 and the ice-making side 3. Partition strips 9 are arranged at the upper and lower ends of multiple groups of stainless steel pipes of the stainless steel ice maker evaporator to close the short notches 8 at the ends and assist in forming a complete ice tray structure. The two ends of the internal closed space of multiple groups of stainless steel pipes are connected to the refrigerant inlet and outlet pipes 19. There is only direct heat conduction of the stainless steel plate surface between the refrigerant and the ice-making surface, with more sufficient contact, high heat conduction utilization rate, and the heat conduction efficiency meeting the industrial requirements of the ice-making efficiency.

[0064] A plurality of parallel arranged longitudinal partition plates 10 are arranged on the ice tray of the evaporator. Each longitudinal partition plate 10 includes clamping grooves 101 with the same number as the ice-making sides 3 of multiple groups of stainless steel pipes, dividing the longitudinal partition plate 10 into multiple cards 102. The clamping grooves 101 are clamped on the ice-making side 3 and its adjacent surface. The depth of the clamping groove 101 is based on the bottom of the longitudinal partition plate 10 touching the bottom surface 2 when it is clamped and installed. At least one corner of the bottom of the card 102 is provided with an arc-shaped notch.

[0065] Third Embodiment

[0066] Please refer to Figure 7 、 Figure 8 、 Figure 9 and Figure 10 Based on the evaporator provided in the first embodiment of the present application, another evaporator is proposed in the third embodiment of the present application. The third embodiment is merely a preferred way of an embodiment, and the implementation of the third embodiment will not affect the independent implementation of the first embodiment.

[0067] Specifically, the evaporator provided by the third embodiment of the present application is different in that each group of the stainless steel pipes is arranged in combination through a trapezoidal pipe 11 and a right-angled triangular pipe 12. The inclined surface 121 of the right-angled triangular pipe is welded to the inclined surface 111 of the trapezoidal pipe, and the right-angled surface 123 of the right-angled triangular pipe is coplanar with the lower bottom surface 112 of the trapezoidal pipe to form a combined structure. The combined structure includes the outermost third outer side surface 13 (the right-angled surface of the trapezoidal pipe), the corresponding fourth outer side surface 14 (the other right-angled surface of the right-angled triangular pipe), and the intermediate connecting surface 15 (the inclined surface of the right-angled triangular pipe and the inclined surface of the trapezoidal pipe) located between the third outer side surface 13 and the fourth outer side surface 14. Short notches 8 are alternately arranged left and right in sequence on the third outer side surface 13, the intermediate connecting surface 15, and the fourth outer side surface 14. The upper edge height of the short notch 8 is not higher than the height of the bottom surface 2. Left and right end caps are arranged at both ends of the stainless steel pipe, and the left and right end caps are hermetically connected to the surface ends of the stainless steel pipe except for the short notch 8, so that the cavity 7 forms an S-shaped channel 18 that sequentially passes through the trapezoidal pipe 11 and the right-angled triangular pipe 12, and is used to introduce refrigerant for multi-directional direct heat conduction to the bottom surface 2 and the ice-making side surface 3. Partition strips are arranged at the upper and lower ends of multiple groups of stainless steel pipes of the stainless steel ice-making machine evaporator to close the short notches 8 at the ends and assist in forming a complete ice tray structure. The two ends of the internal closed space of multiple groups of stainless steel pipes are connected to the refrigerant inlet and outlet pipes 19, and a plurality of parallel arranged longitudinal partition plates 10 are arranged on the upper part. There is only direct heat conduction of the stainless steel plate surface between the refrigerant and the ice-making surface, with more sufficient contact, high heat conduction utilization rate, and the heat conduction efficiency meeting the industrial requirements of the ice-making efficiency.

[0068] Fourth Embodiment

[0069] Please refer to Figure 11 , based on the evaporator provided by the first embodiment of the present application, the fourth embodiment of the present application proposes another evaporator. The fourth embodiment is only a preferred way of an embodiment, and the implementation of the fourth embodiment will not affect the independent implementation of the first embodiment.

[0070] Specifically, the evaporator provided by the fourth embodiment of the present application is different in that each group of the stainless steel pipes is arranged in combination with an isosceles trapezoidal pipe 16 and an isosceles triangular pipe 17. The waist surface 161 of the isosceles trapezoidal pipe is connected face to face with the waist surface 171 of the isosceles triangular pipe. The lower bottom surface 162 of the isosceles trapezoidal pipe is coplanar with the bottom surface 172 of the isosceles triangular pipe. The upper pointed part 173 of the isosceles triangular pipe protrudes from the upper bottom surface 163 of the isosceles trapezoidal pipe, forming a combined structure. The combined structure includes the outermost third outer side surface 13 (the non-connected waist surface of the isosceles trapezoidal pipe), the corresponding fourth outer side surface 14 (the non-connected waist surface of the isosceles triangular pipe), and the intermediate connecting surface 15 (the connecting waist surface of the isosceles triangular pipe and the connecting waist surface of the isosceles trapezoidal pipe) located between the third outer side surface 13 and the fourth outer side surface 14. Short notches 8 are alternately arranged left and right on the third outer side surface 13, the intermediate connecting surface 15, and the fourth outer side surface 14 in sequence. The upper edge height of the short notch 8 is not higher than the height of the upper bottom surface 163 of the isosceles trapezoidal pipe. Left and right end caps are arranged at both ends of the stainless steel pipe. The left and right end caps are hermetically connected to the end surfaces of the stainless steel pipe except for the short notches, so that the cavity 7 forms an S-shaped channel 18 passing through the isosceles trapezoidal pipe 16 and the isosceles triangular pipe 17 in sequence, which is used to introduce refrigerant for multi-directional direct heat conduction to the bottom surface 2 and the ice-making side surface 3. Partition strips are arranged at the upper and lower ends of multiple groups of stainless steel pipes of the stainless steel ice maker evaporator to close the short notches 8 at the ends and assist in forming a complete ice tray structure. The two ends of the internal closed space of multiple groups of stainless steel pipes are connected to the refrigerant inlet and outlet pipes 19. Multiple parallel arranged longitudinal partition plates 10 are arranged on the upper part. There is only direct heat conduction of the stainless steel plate surface between the refrigerant and the ice-making surface, with more sufficient contact, high heat conduction utilization rate, and the heat conduction efficiency meeting the industrial requirements of the ice-making efficiency.

[0071] Fifth Embodiment

[0072] Please refer to Figure 12 and Figure 13 , based on the evaporator provided by the first embodiment of the present application, the fifth embodiment of the present application proposes another evaporator. The fifth embodiment is only a preferred embodiment, and the implementation of the fifth embodiment will not affect the independent implementation of the first embodiment.

[0073] Specifically, the evaporator provided in the fifth embodiment of the present application is different in that hook strips 20 are provided at both ends of the partition sheet 10 of the evaporator. The upper end of the hook strip 20 is fixedly connected to the partition sheet 10, and an inward hook 201 is provided at the lower end. A smooth clamping surface 202 is provided at the clamping edge of the hook 201. Connection bottom plates 21 are provided at the bottom ends of the outer sides of the upper and lower ends of the stainless-steel ice maker evaporator. Multiple pairs of second card slots 211 corresponding to the hooks 201 are provided on the connection bottom plates 21, and smooth clamping surfaces 202 are also provided at the clamping edges of the second card slots 211. The hook strip 20 is an elastic structural member, and the natural inner edge distance of the hook strips 20 on both sides of the partition sheet 10 is smaller than the minimum distance between the outer sides of the upper and lower ends of the stainless-steel ice maker evaporator.

[0074] When the partition sheet 10 is clamped on the ice tray, the hook strips 20 on both sides play a role in locking and fixing the position of the ice tray. Each group of hooks 201 is inserted into the second card slots 211, and the second card slots 211 limit the hooks 201 to lock the position of the partition sheet 10 and control and stably fix the size and shape of the ice cubes uniformly.

[0075] A connection plate 22 is provided at the upper part of each partition sheet 10. The connection plate 22 is connected to a robotic arm, the robotic arm is connected to a power component and a controller, and the controller controls the power component to provide a force for the robotic arm to lift the partition sheet 10 upward and clamp it downward. During defrosting, the controller controls the power component to provide power to drive the robotic arm to lift the partition sheet 10, and the hook strip 20 drives the hook 201 to disengage from the second card slot 211, so that the partition sheet 10 is peeled off from the ice cubes, prompting the evaporator to defrost quickly, and the evaporator enters the next ice-making program. During the entire ice-making process, the stainless-steel ice maker evaporator does not require reverse heat conduction, compensates for the reverse heat conduction difference between the stainless-steel pipe and the copper parts, improves the rotation speed of the evaporator, and further improves the ice-making efficiency, making the structure of the stainless-steel evaporator standardized, the process simplified and streamlined, and the industrialization at low cost.

[0076] The above are only the embodiments of the present invention, and thus do not limit the patent scope of the present invention. Any equivalent structure or equivalent process transformation made by using the description and drawings of the present invention, or directly or indirectly applied to other related technical fields, shall be equally included in the patent protection scope of the present invention.

Claims

1. An evaporator of a stainless steel ice maker, comprising an evaporator body, characterized in that: The evaporator body is made entirely of stainless steel; The stainless steel ice-making machine evaporator comprises a plurality of groups of stainless steel pipes arranged in parallel side by side, each group of the stainless steel pipes comprises a cavity and an outer surface, the cavity comprises a bottom cavity in the XY plane direction and a side cavity in the plane direction intersecting the XY plane, the side cavity protrudes from the bottom cavity in the plane direction where it is located, at least one side of the four directions of the outer surface is provided with a bottom surface in the XY plane direction and an ice-making side surface in the plane direction intersecting the XY plane, the ice-making side surface protrudes from the bottom surface in the plane direction where it is located; The bottom surface and the outer side of the ice-making side surface are enclosed to form a second cavity, and the cut section of the second cavity along the YZ direction includes the shortest bottom side; it also includes a plurality of longitudinal partitions arranged in parallel, each of the longitudinal partitions includes a card slot that is the same in number as the ice-making side surfaces of the plurality of groups of the stainless steel pipes, and the longitudinal partitions are divided into a plurality of cards, the card slots are clamped on the ice-making side surface and its adjacent joint surface, the depth of the card slot is based on the bottom of the longitudinal partition contacting the bottom surface when it is clamped and installed, and at least one corner of the bottom of the card is provided with an arc-shaped notch; Hook strips are arranged at both ends of the longitudinal partition of the evaporator, the upper end of the hook strip is fixedly connected to the longitudinal partition, the lower end is arranged with an inward hook, the clamping edge of the hook is arranged with a smooth clamping surface, the bottom end of the stainless steel outer side of the upper and lower ends of the stainless steel ice maker evaporator is arranged with a connecting bottom plate, a plurality of pairs of second clamping grooves corresponding to the hooks are arranged on the connecting bottom plate, and the clamping edge of the second clamping groove is also arranged with a smooth clamping surface, the hook strip is an elastic structural member, and the natural inner margin of the hook strips on both sides of the longitudinal partition is smaller than the minimum distance between the stainless steel outer sides of the upper and lower ends of the stainless steel ice maker evaporator; A connecting plate is arranged on the upper part of each longitudinal diaphragm, the connecting plate is connected to a mechanical arm, the mechanical arm is connected to a power assembly and a controller, and the controller controls the power assembly to provide the mechanical arm with a force to lift the longitudinal diaphragm upward and clamp it downward.

2. The stainless steel ice maker evaporator according to claim 1, wherein: Each group of stainless steel pipes is an integrally formed special-shaped pipe.

3. The stainless steel ice maker evaporator according to claim 1, characterized in that: Each group of stainless steel pipes is arranged by combining square pipes and / or trapezoidal pipes and / or triangular pipes.

4. The stainless steel ice maker evaporator according to claim 2, characterized in that: The special-shaped tube includes a first outer side surface and a second outer side surface, the first outer side surface is the outermost side surface on one side of the ice-making side surface, and the second outer side surface is the outermost side surface on the opposite side, and the first outer side surface and the second outer side surface are alternately provided with short openings on the left and right sides, and the height of the upper edge of the short opening is not higher than the height of the bottom surface, and the left and right positions of the short openings of the first outer side surface and the second outer side surface of adjacent special-shaped tubes are alternately provided again.

5. The stainless steel ice maker evaporator according to claim 3, wherein: Each group of the stainless steel pipes is arranged by one or two combinations of square tubes and / or trapezoidal tubes and / or triangular tubes. The combined structure includes the outermost third outer side surface, the fourth outer side surface on the corresponding side, and an intermediate connecting surface located between the third outer side surface and the fourth outer side surface. Short openings are alternately arranged on the third outer side surface, the intermediate connecting surface, and the fourth outer side surface in sequence, and the upper edge height of the short opening is not higher than the height of the bottom surface.

6. The stainless steel ice maker evaporator according to any one of claims 4 or 5, characterized in that: Left and right end caps are provided at both ends of the stainless steel pipe. The left and right end caps are hermetically connected to the end surfaces of the stainless steel pipe except for the short notch. Partition bars are provided at the upper or lower ends of multiple groups of stainless steel pipes of the stainless steel ice maker evaporator. Both ends of the internal closed space of multiple groups of the stainless steel pipes are communicated with the refrigerant inlet and outlet pipes.

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